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Updated: Nov 25, 2025
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Quantifying Yeast Chronological Life Span by Outgrowth of Aged Cells
Published on: May 6, 2009
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Coffee Extends Yeast Chronological Lifespan through Antioxidant Properties
Jadwiga Czachor1, Michał Miłek2, Sabina Galiniak3
1Department of Biochemistry and Cell Biology, Institute of Biology and Biotechnology, University of Rzeszow, Zelwerowicza 4, 35-601 Rzeszow, Poland.
International Journal of Molecular Sciences
|December 17, 2020
Summary
Coffee compounds, especially flavonoids, extend yeast lifespan by combating free radicals and DNA damage. Robusta coffee demonstrates superior antioxidant capacity compared to Arabica, offering protective benefits against aging factors.
Area of Science:
- Cellular Biology
- Aging Research
- Biochemistry
Background:
- Aging involves cellular dysfunction and is linked to factors like oxygen free radicals.
- The precise mechanisms driving aging remain incompletely understood.
- Coffee's effects on aging are debated, necessitating further investigation.
Purpose of the Study:
- To investigate the impact of coffee compounds on cellular aging in budding yeast.
- To determine if coffee components can mitigate aging-related cellular damage.
- To compare the antioxidant properties of Arabica and Robusta coffee.
Main Methods:
- Utilized *Saccharomyces cerevisiae* (budding yeast) as a model organism for aging studies.
- Assessed the effects of coffee infusions on yeast lifespan and cellular protection.
- Employed High-Performance Liquid Chromatography (HPLC) to quantify caffeine and flavonoid concentrations.
Main Results:
- Coffee compounds, particularly flavonoids, demonstrated significant free radical scavenging abilities.
- Robusta coffee exhibited a higher antioxidant capacity than Arabica coffee.
- Coffee infusions extended the chronological lifespan of yeast cells, protecting against oxidative stress and DNA damage.
Conclusions:
- Flavonoids in coffee play a key role in promoting longevity by neutralizing free radicals.
- Coffee consumption, especially Robusta, can enhance cellular resistance to aging-related stressors.
- Coffee protects *Saccharomyces cerevisiae* from reactive oxygen species, DNA breaks, and metabolic decline.
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